CN219880538U - Cement mill feeding feed divider - Google Patents

Abstract

The utility model discloses a feeding and distributing device of a cement mill, which relates to the field of cement mills and comprises a frame, a distributing device and a feeding device, wherein the distributing device comprises a storage box, the storage box is fixedly connected with the frame, the top of the storage box is provided with a feeding hole, a distributing plate is arranged below the feeding hole, a first storage bin and a second storage bin are arranged in the storage box in parallel front and back, the second storage bin is arranged below the distributing plate, the first storage bin is arranged at the tail end of the distributing plate, the feeding device is connected with a feeding pipe of the cement mill, the materials are screened through the arrangement of the distributing device, the first storage bin, the second storage bin and a blanking groove are aligned and staggered by utilizing a rotatable rotary feeding plate, the grinding strength of the cement mill can be automatically adjusted according to the size of the materials, and the uniformity and quality of the ground materials can be improved.

Description

Cement mill feeding feed divider

Technical Field

The utility model relates to the field of cement mills, in particular to a feeding and distributing device of a cement mill.

Background

The ball mill is used for crushing materials by the impact and grinding action of the wear-resistant steel balls on the materials, and in the crushing mechanical process of the wear-resistant steel balls on the materials, the crushing effect of the cement mill is seriously affected by different material sizes, and the crushing and grinding efficiency and quality are greatly reduced by uneven material sizes.

It can be seen that the size uniformity of the material determines the grinding efficiency and the quality characteristics of the product, and affects the power consumption and the medium consumption of grinding. Therefore, controlling the uniformity of material size is a key factor in driving the whole grinding pan. For the material with large average size, the material needs large grinding strength, multiple times of grinding are needed, the material with small average size needs smaller grinding strength, the grinding strength is overlarge, the overlarge crushing force can be generated when the grinding time is overlong, and the quality characteristics of the material are not facilitated.

At present, the main feeding device adopted at home and abroad is a chute feeding device, the material size of the feeding mode is uneven, the grinding effect is limited to a certain extent, unnecessary electric energy loss is caused, and a cement mill feeding and distributing device with low price and multiple functions is required to be researched.

Disclosure of Invention

The utility model aims to provide a feeding and distributing device of a cement mill, which aims to solve the problems in the background art.

The utility model provides a cement mill feeding feed divider, includes frame, feed divider and feed arrangement, feed divider includes the storage box, storage box and frame fixed connection, and its top is equipped with the feed inlet, the below of feed inlet is equipped with the feed divider, be equipped with storage silo one and storage silo two side by side in the storage box, storage silo two is located the below of feed divider, storage silo one is located the end of feed divider, feed arrangement is connected with cement mill's inlet pipe, feed arrangement is according to the weight of the material in storage silo one and the storage silo two, opens and seals the discharge gate of storage silo one and the discharge gate of storage silo two voluntarily to with the material of different granule sizes is imported in batches in the cement mill.

Preferably, the distributing plate is provided with a plurality of strip-shaped grooves facing the first storage bin. One end of the distributing plate is connected with the storage box through a fixing pin, and the other end of the distributing plate is supported through a partition plate of the storage box to realize fixation.

Preferably, the feeding device comprises a rotary blanking disc, a motor and a guide funnel, the rotary blanking disc is rotationally connected with the guide funnel, the guide funnel is fixedly connected with the frame, the bottom opening of the guide funnel is connected with the feeding pipe, the motor is fixedly connected with the bottom of the storage box, the output shaft of the motor is fixedly connected with a first bevel gear, the center of the rotary blanking disc is fixedly connected with a second bevel gear, the second bevel gear is meshed with the first bevel gear, a blanking groove and a weighing plate are arranged on the rotary blanking disc, and a pressure sensor is arranged at the bottom of the weighing plate.

Preferably, the top of guide funnel is equipped with circular spout, the bottom of rotatory unloading dish is equipped with the gyro wheel, gyro wheel sliding connection is in circular spout.

Preferably, an annular baffle is arranged at the bottom of the rotary blanking disc and positioned at the inner side of the roller.

The utility model has the advantages that: the material is screened through setting up feed divider to utilize rotatable rotatory feed tray cooperation weighing plate to change the alignment and stagger of storage silo one, storage silo two and fall silo, can adjust cement mill's grinding strength according to the size of material voluntarily, grind with pertinence, can improve the degree of consistency and the quality of material after grinding.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic structural diagram of a material distributing device and a material feeding device;

FIG. 3 is a cut-away view of FIG. 2;

FIG. 4 is a schematic view of the structure of the feeding device;

FIG. 5 is a schematic view of the bottom structure of a rotary blanking plate;

fig. 6 is a cut-away view of the guide funnel.

In the figure: 1. a frame; 2. a material distributing device; 21. a storage bin; 211. a first storage bin; 212. a second storage bin; 213. a partition plate; 22. a feed inlet; 23. a material dividing plate; 231. a bar-shaped groove; 24. a fixing pin; 3. a cement mill; 31. a feed pipe;

4. a feeding device; 41. rotating the blanking disc; 411. a material dropping groove; 412. an annular baffle; 42. a motor; 43. a guide funnel; 431. a circular chute; 44. bevel gears I; 45. bevel gears II; 46. a weighing plate; 47. and a roller.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1 to 6, a feeding and distributing device of a cement grinding machine comprises a frame 1, a distributing device 2 and a feeding device 4, wherein the distributing device 2 comprises a storage bin 21, the storage bin 21 is fixedly connected with the frame 1, a feeding hole 22 is formed in the top of the distributing device, a distributing plate 23 is arranged below the feeding hole 22, a first storage bin 211 and a second storage bin 212 are arranged in the storage bin 21 side by side back and forth, the second storage bin 212 is arranged below the distributing plate 23, the first storage bin 211 is arranged at the tail end of the distributing plate 23, the feeding device 4 is connected with a feeding pipe 31 of the cement grinding machine 3, and the feeding device 4 automatically opens and closes the discharging hole of the first storage bin 211 and the discharging hole of the second storage bin 212 according to the weight of the first storage bin 211 and the second storage bin 212 and guides materials with different particle sizes into the cement grinding machine 3 in batches.

In this embodiment, the feeding device 4 comprises a rotary blanking disc 41 and a motor; 42 and a guide funnel 43, wherein the rotary blanking disc 41 is rotationally connected with the guide funnel 43, the guide funnel 43 is fixedly connected with the frame 1, the bottom opening of the guide funnel 43 is connected with the feeding pipe 31, and the motor is arranged on the bottom opening of the guide funnel; 42 are fixedly connected to the bottom of the storage box 21, the output shaft of the rotary blanking plate 41 is fixedly connected with a first bevel gear 44, the center of the rotary blanking plate 41 is fixedly connected with a second bevel gear 45, the second bevel gear 45 is meshed with the first bevel gear 44, the rotary blanking plate 41 is provided with a blanking groove 411 and a weighing plate 46, and the bottom of the weighing plate 46 is provided with a pressure sensor. When the pressure sensor detects that the pressure above the weighing plate 46 reaches a preset value, the motor is started; 42 are rotated by a fixed angle, the positions of the weighing plate 46 and the blanking slot 411 are adjusted, and the grinding strength of the cement grinding machine 3 is changed.

In this embodiment, a circular chute 431 is provided at the top of the guide funnel 43, and a roller 47 is provided at the bottom of the rotary blanking tray 41, and the roller 47 is slidably connected in the circular chute 431. The roller 47 slides in a circular chute 431 for supporting the rotational movement of the rotary blanking disc 41 on top of the hopper 43.

In this embodiment, an annular baffle 412 is disposed at the bottom of the rotary blanking disc 41 and inside the roller 47. The annular baffle 412 is used for blocking dust in the guide hopper 43.

In this embodiment, the distributing plate 23 is provided with a plurality of strip-shaped grooves 231 facing the first storage bin 211. One end of the material separating plate 23 is connected with the material storage box 21 through a fixing pin 24, and the other end of the material separating plate is supported by a partition plate 213 of the material storage box 21, so that the material separating plate is fixed.

The working process and the principle thereof are as follows:

cement raw materials are poured onto the distributing plate 23 through the feeding hole 22, a part of smaller materials fall into the storage bin two 212 through the strip-shaped groove 231, and larger materials slide into the storage bin one 211 along the distributing plate 23.

The weighing plate 46 can only be positioned below the discharge port of the first storage bin 211 or below the discharge port of the second storage bin 212 at the same time, and the material dropping groove 411 is opposite to the weighing plate 46. In the initial state, the weighing plate 46 is located below the discharge hole of the first storage bin 211, the material dropping groove 411 is located below the discharge hole of the second storage bin 212, the first storage bin 211 is in a storage state, and the second storage bin 212 is in a discharge state.

At this time, the smaller materials sequentially pass through the strip-shaped groove 231, the second storage bin 212, the blanking groove 411, the guide funnel 43 and the feeding pipe 31, and finally enter the cement mill 3 for grinding, and the cement mill 3 adopts low-intensity grinding.

The larger material falls into the first storage bin 211, the weighing plate 46 blocks the discharge hole of the first storage bin 211, the weight of the large-particle material in the first storage bin 211 is monitored in real time, and when the weight of the large-particle material reaches a preset value, the motor is powered; 42 and the cement mill 3, so that the motor; 42, the cement mill 3 is changed to high intensity grinding.

The bevel gear I44 drives the bevel gear II 45 to rotate, so that the rotary blanking disc 41 rotates at the top of the guide funnel 43, the roller 47 slides in the circular chute 431 and is used for supporting the rotary motion of the rotary blanking disc 41 at the top of the guide funnel 43 until the position of the blanking slot 411 is exchanged with that of the weighing plate 46, and the motor is used for driving the rotary blanking disc to rotate; 42 is stopped.

The blanking slot 411 is located below the discharge hole of the first storage bin 211, the weighing plate 46 is located below the discharge hole of the second storage bin 212, the first storage bin 211 is in a discharge state, and the second storage bin 212 is in a storage state. The large particulate material is directed into the cement mill 3.

When the small particle materials in the second storage bin 212 reach a preset value, the rotary blanking disc 41 rotates again, the cement grinding machine 3 is changed into small-intensity grinding at the same time, the second storage bin 212 realizes discharging, and the discharging is circularly reciprocated, so that materials with different sizes are crushed in batches by adopting different grinding intensities.

It will be appreciated by those skilled in the art that the present utility model can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the utility model or equivalents thereto are intended to be embraced therein.

Claims (5)

1. A cement mill feeding feed divider, its characterized in that: including frame (1), some material device and feed arrangement (4), feed arrangement (2) include storage box (21), storage box (21) and frame (1) fixed connection, and its top is equipped with feed inlet (22), the below of feed inlet (22) is equipped with branch flitch (23), storage box (21) are interior to be equipped with storage bin one (211) and storage bin two (212) side by side, storage bin two (212) are located the below of dividing flitch (23), storage bin one (211) is located the end of dividing flitch (23), feed arrangement (4) are connected with inlet pipe (31) of cement mill (3), feed arrangement (4) are according to the weight of material in storage bin one (211) and storage bin two (212), open and seal the discharge gate of storage bin one (211) and the discharge gate of storage bin two (212) voluntarily to in batches leading-in cement mill (3) with the material of different granule sizes.

2. A cement mill feed divider according to claim 1, characterized in that: the material distributing plate (23) is provided with a plurality of strip-shaped grooves (231) facing the first storage bin (211), one end of the material distributing plate (23) is connected with the storage bin (21) through a fixing pin (24), and the other end of the material distributing plate is supported through a partition plate (213) of the storage bin (21) to realize fixation.

3. A cement mill feed divider according to claim 1, characterized in that: feed arrangement (4) are including rotatory feed tray (41), motor (42) and guide funnel (43), rotatory feed tray (41) rotate with guide funnel (43) and are connected, guide funnel (43) and frame (1) fixed connection, the bottom mouth and the inlet pipe (31) of guide funnel (43) are connected, motor (42) fixed connection is in the bottom of storage case (21), and its output shaft fixedly connected with bevel gear (44), the center fixedly connected with bevel gear two (45) of rotatory feed tray (41), bevel gear two (45) and bevel gear one (44) meshing, be equipped with blanking groove (411) and weighing plate (46) on rotatory feed tray (41), the bottom of weighing plate (46) is equipped with pressure sensor.

4. A cement mill feed divider according to claim 3, characterized in that: the top of guide funnel (43) is equipped with circular spout (431), the bottom of rotatory unloading dish (41) is equipped with gyro wheel (47), gyro wheel (47) sliding connection is in circular spout (431).

5. A cement mill feed divider according to claim 3, characterized in that: the bottom of the rotary blanking disc (41) and the inner side of the roller (47) are provided with annular baffles (412).